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 <h1 class="title">Data Filtering</h1>
 

 

 









 





 








 







 










<ul class="chunklist chunklist_book"><li><a href="intro.filter.html">简介</a></li><li><a href="filter.setup.html">安装/配置</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="filter.requirements.html">需求</a></li><li><a href="filter.installation.html">安装</a></li><li><a href="filter.configuration.html">运行时配置</a></li><li><a href="filter.resources.html">资源类型</a></li></ul></li><li><a href="filter.filters.html">Types of filters</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="filter.filters.validate.html">Validate filters</a></li><li><a href="filter.filters.sanitize.html">Sanitize filters</a></li><li><a href="filter.filters.misc.html">Other filters</a></li><li><a href="filter.filters.flags.html">Filter flags</a></li></ul></li><li><a href="filter.constants.html">预定义常量</a></li><li><a href="filter.examples.html">范例</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="filter.examples.validation.html">Validation</a></li><li><a href="filter.examples.sanitization.html">Sanitization</a></li></ul></li><li><a href="ref.filter.html">过滤器函数</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="function.filter-has-var.html">filter_has_var</a> — 检测是否存在指定类型的变量</li><li><a href="function.filter-id.html">filter_id</a> — 返回与某个特定名称的过滤器相关联的id</li><li><a href="function.filter-input-array.html">filter_input_array</a> — 获取一系列外部变量，并且可以通过过滤器处理它们</li><li><a href="function.filter-input.html">filter_input</a> — 通过名称获取特定的外部变量，并且可以通过过滤器处理它</li><li><a href="function.filter-list.html">filter_list</a> — 返回所支持的过滤器列表</li><li><a href="function.filter-var-array.html">filter_var_array</a> — 获取多个变量并且过滤它们</li><li><a href="function.filter-var.html">filter_var</a> — 使用特定的过滤器过滤一个变量</li></ul></li></ul></div></div></div></body></html>